2006 Cadillac STS vs. 2003 Daihatsu Copen
To start off, 2006 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Daihatsu Copen. In addition, the cost of maintenance, including insurance, on 2003 Daihatsu Copen would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 253 more horse power than 2003 Daihatsu Copen. (67 HP @ 6000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2003 Daihatsu Copen.
Because 2006 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2003 Daihatsu Copen, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Cadillac STS (428 Nm @ 4400 RPM) has 326 more torque (in Nm) than 2003 Daihatsu Copen. (102 Nm @ 3200 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Daihatsu Copen. 2006 Cadillac STS has automatic transmission and 2003 Daihatsu Copen has manual transmission. 2003 Daihatsu Copen will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 2003 Daihatsu Copen | |
| Make | Cadillac | Daihatsu |
| Model | STS | Copen |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Front |
| Engine Size | 4556 cc | 657 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 67 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 428 Nm | 102 Nm |
| Torque RPM | 4400 RPM | 3200 RPM |
| Engine Bore Size | 93 mm | 61 mm |
| Engine Stroke Size | 84 mm | 56.4 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4990 mm | 3400 mm |
| Vehicle Width | 1850 mm | 1480 mm |
| Vehicle Height | 1470 mm | 1250 mm |
| Wheelbase Size | 2960 mm | 2240 mm |
| Fuel Tank Capacity | 64 L | 43 L |
